Results 231 to 240 of about 19,748,042 (292)

Benchmarking Multiple Methods for the Spectral Analysis of Seafloor Morphology

open access: yesGeochemistry, Geophysics, Geosystems, Volume 27, Issue 10, October 2026.
Abstract The influence of glacial sea‐level changes on the quasi‐periodic spacing of abyssal hills has remained controversial for over a decade. Spectral analyses of seafloor morphology have yielded contrasting conclusions regarding whether periodicities associated with orbital Milankovitch forcing are recorded in abyssal hill spacing, raising ...
B. Bauer   +9 more
wiley   +1 more source

Crystallization of stardust analogs under an electron flux atmosphere. [PDF]

open access: yesPNAS Nexus
Shohan RA   +6 more
europepmc   +1 more source

Equatorial F‐Region Responses to the Main Phase of the 10 May 2024 Geomagnetic Storm Over the South American Sector: Observations and Model Simulations

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract This study examines the equatorial ionospheric response over the South American sector during the onset of the extreme 2024 Mother's Day geomagnetic storm, which began at ∼17 UT on 10 May and reached the G5 level. Pronounced disturbances in ionospheric electrodynamics were observed under both daytime and nighttime conditions. Variations in the
A. M. Santos   +21 more
wiley   +1 more source

Global Three‐Dimensional Simulation of Magnetospheric Dynamics During the Extreme Geomagnetic Storm of 10–11 May 2024

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract This study presents a high‐resolution three‐dimensional global magnetohydrodynamic (MHD) simulation of the historic geomagnetic storm of 10–11 May 2024, using observational data for the ACE solar wind input. This extreme event was characterized by intense solar wind dynamic pressure (∼50 nPa) and exceptionally strong interplanetary magnetic ...
Kyung Sun Park
wiley   +1 more source

Statistical Analysis of the Equatorward UV Auroral Emissions of the Jovian Southern Hemisphere

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract This study presents a comprehensive statistical analysis of Jupiter's southern UV auroral emissions, with a focus on the secondary oval and equatorward injection signatures. Utilizing Hubble Space Telescope (HST) data, the frequency, location, and intensity of these auroral features are systematically evaluated, considering their variation ...
Diego Moral‐Pombo   +2 more
wiley   +1 more source

Current Sheet Geometry and Heavy Ion Influence on Reconnection

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract In some planetary magnetospheres singly ionized heavy ion species can be found in addition to the typical hydrogen. The presence of these ions can affect many magnetospheric processes. The role heavy ions, specifically oxygen, and the thickness of the current sheet play in magnetic reconnection is investigated using particle‐in‐cell ...
Cristian R. Radulescu   +6 more
wiley   +1 more source

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